Singleton NSWindowController 关闭后不会重新打开窗口
我有一个单例 NSWindowController (ProjectInfoHUDController)，它在关闭后不会重新打开。我知道该对象保留在内存中，因为在窗口关闭之前和之后对 [ProjectInfoHUDController sharedInstance] 进行的任何调用都会返回相同的内存地址。 makeKeyAndOrderFront: 和 controller.window.isVisible = YES 均不执行任何操作。
I have a singleton NSWindowController (ProjectInfoHUDController) that won't reopen after it has been closed. The object is persisting in memory which I know because any calls made to [ProjectInfoHUDController sharedInstance] both before and after the window has been closed return the same memory address. Both makeKeyAndOrderFront: and controller.window.isVisible = YES do nothing.
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结果发现IB中的窗口没有连接。另一个教训是首先寻找明显的解决方案。
Turned out the window was not connected in IB. Another lesson in looking for the obvious solution first.